Flashcards
Ecology
Cards in this deck (25)
- 1SpeciesA group of organisms that can interbreed to create fertile offspring
- 2PopulationA relatively isolated group of organisms of the same species
- 3CommunityThe organisms of all species living in a particular area
- 4HabitatWhere a population lives
- 5Biotic factorsFcators affecting an organsim related to living organism
- 6Abiotic factorsFactors affecting an organism related to non - living things
- 7NicheA role played within a communtiy eg. a top preadtor or its way of life
- 8Food chainA sequence (usually shown as a diagram) of feeding relationships between organisms, showing who eats what and the movement of energy through trophic levels.
- 9BiomassThe dry mass of an organism
- 10DecomposerAn organism which eats dead organisms or animal droppings, and breaks them down into simple materials.
- 11food webA network of food chains, showing how they all link together.
- 12photosynthesisA chemical process used by plants and algae to make glucose and oxygen from carbon dioxide and water, using light energy. Oxygen is produced as a by-product of photosynthesis.
- 13primary consumerThe name given to an organism that eats a producer. A herbivore
- 14producerPlants that begin food chains by making energy from carbon dioxide and water.
- 15secondary consumerAn organism that obtains its energy by eating the primary consumer.secondary consumer
- 16tertiary consumerAn organism that obtains its energy by eating the secondary consumer.
- 17trophic levelThe position of an organism in a food chain, food web or pyramid.
- 18invertebrateAn animal without a backbone
- 19organismLiving entity, eg animals, plants or microorganisms.
- 20herbivoreAn animal that feeds only on plants.
- 21carnivoreAn animal that eats meat or flesh only.
- 22OmnivoreAn animal that eat both meat and plants
- 23Pyramids of numberA graphical way of representng the number of organisms in a food chain
- 24Pyramids of biomassPyramids of biomass represent the dry mass of organisms in a food chian
- 25Pyramids of energyThese represent the energy contained within the organisms in each trophoic level
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- Flashcards covering the basic vocabulary terms in ecology
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- Fatima K
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